نتایج جستجو برای: mineral mapping
تعداد نتایج: 263950 فیلتر نتایج به سال:
The area of interest is located on the eastern flank of the Andean Cordillera, San Juan province, Argentina. The 3600 km2 area is characterized by Siluro-Devonian to Neogene sedimentary and igneous rocks and unconsolidated Quaternary sediments. Epithermal, porphyry-related, and magmatic-hydrothermal breccia-hosted ore deposits, common in this part of the Frontal Cordillera, are associated with ...
Reconnaissance mapping in the Big Salmon Complex in northwestern British Columbia (104N NE and 1040 NW, Figure la) was initiated in 1997 to test long-standing correlations (e.g. Mulligan, 1963) with rocks of the Yukon-Tanana Terrane (formerly Yukon Group) in southern Yukon (Figure lb). Such correlations are especially important t?om an economic standpoint (e.g. Nelson, 1997) because of the rece...
Mineral prospectivity mapping (MPM) based on the principle of geometric mean was applied to stream sediment geochemical, fault density, and aeromagnetic data from Tagmout basin, Morocco determine new areas for optimizing copper exploration. The application a fuzzy operator using data, factor analysis, density map, allowed weights be assigned these parameters so that MPM function can process the...
Pleistocene to present evaporitic lacustrine sediments in Lake Magadi, East African Rift Valley, Kenya were studied and mapped using spectral remote sensing methods. This approach incorporated surface mineral mapping using space-borne hyperspectral Hyperion imagery together with laboratory analysis, including visible, near-infrared diffuse reflectance spectroscopy (VNIR) measurements and X-ray ...
Hydrocarbon seeps cause chemical and mineralogical changes at the surface, which can be detected by remote sensing. This paper aims at the detection of mineral alteration induced by gas seeps in a marly limestone formation, SW Iran. For this purpose, the multispectral Advance Spaceborne Thermal Emission and Reflection Radiometer (ASTER) and the high spatial resolution WorldView-2 (WV-2) data we...
Developing rice varieties with increased mineral element content is the most cost-effective and efficient approach for alleviating human malnutrition nutrient deficiencies. In this study, quantitative trait loci (QTLs) were mapped in 96 introgression lines derived from a cross between elite Korean Oryza sativa japonica cultivar “Hwaseong” wild rufipogon (IRGC105491). The population was grown tw...
Abstract In recent years, various geological activities and different mineral prospecting exploration programs have been intensified along the Red Sea hills in order to elucidate maps evaluate potentials. This study is therefore aimed at testing viability of using remote sensing geographic information system (GIS) techniques for mapping gold mineralization area. The area located northeast Sudan...
The mineral concentrations in cereals are important for human health, especially for individuals who consume a cereal subsistence diet. A number of elements, such as zinc, are required within the diet, while some elements are toxic to humans, for example arsenic. In this study we carry out genome-wide association (GWA) mapping of grain concentrations of arsenic, copper, molybdenum and zinc in b...
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